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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
2467643641587198 ~1984
2467649197411938 ~1982
246785949357197 ~1981
2467931444227598 ~1983
2467979197438338 ~1982
24679791826304479
2468027197442178 ~1982
2468129345538078 ~1983
2468143394902898 ~1983
246835149367037 ~1981
2468357345569998 ~1983
246836349367277 ~1981
2468443246844318 ~1983
2468629543098398 ~1983
2468813148128798 ~1982
2468861148131678 ~1982
24688671234433519 ~1984
246895149379037 ~1981
2468953148137198 ~1982
24689691777657699 ~1985
2469359790194898 ~1984
2469473345726238 ~1983
2469541543299038 ~1983
2469559246955918 ~1983
24695832963499619 ~1985
Exp. Prime Factor Digits Year
2469827197586178 ~1982
2469983592795938 ~1984
24699891185594739 ~1984
2470063247006318 ~1983
2470109345815278 ~1983
2470141148208478 ~1982
2470397148223838 ~1982
2470451197636098 ~1982
247063149412637 ~1981
2470639247063918 ~1983
247067949413597 ~1981
2470679197654338
247069149413837 ~1981
2470739197659138 ~1982
2470739592977378
247099149419837 ~1981
2471033345944638 ~1983
2471113395378098 ~1983
2471173148270398 ~1982
2471377148282638 ~1982
2471407247140718 ~1983
2471473543724078 ~1983
247153149430637 ~1981
2471701395472178 ~1983
2472091247209118 ~1983
Exp. Prime Factor Digits Year
2472097148325838 ~1982
2472517395602738 ~1983
247255149451037 ~1981
2472677593442498 ~1984
2472697148361838 ~1982
2472781148366878 ~1982
2472959445132638 ~1983
2473129593550978 ~1984
2473157197852578 ~1982
2473217148393038 ~1982
2473321148399278 ~1982
247334349466877 ~1981
24733913165940499 ~1985
2473421742026318 ~1984
2473441544157038 ~1983
247346349469277 ~1981
2473567247356718 ~1983
24736072572551299 ~1985
247363149472637 ~1981
2473697148421838 ~1982
247387149477437 ~1981
247397949479597 ~1981
247403949480797 ~1981
2474057148443438 ~1982
247418349483677 ~1981
Exp. Prime Factor Digits Year
2474561197964898 ~1982
2474573148474398 ~1982
2474651197972098 ~1982
247471149494237 ~1981
2474713148482798 ~1982
247472349494477 ~1981
2474749593939778 ~1984
24748372375843539 ~1985
2474881148492878 ~1982
2474999197999938 ~1982
2475157148509438 ~1982
247529949505997 ~1981
2475331396052978 ~1983
24753831039660879 ~1984
2475397396063538 ~1983
2475433148525998 ~1982
2475653148539198 ~1982
2475779198062338 ~1982
2475791445642398 ~1983
247583949516797 ~1981
247591149518237 ~1981
247597149519437 ~1981
2475989594237378 ~1984
247616349523277 ~1981
247651149530237 ~1981
447
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25-10-26